Funds · 13F filer · Chicago, IL

Group One Trading LLC

$3.5B in 2,157 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+21.8%S&P 500 +20.9%
3y return+71.7%S&P 500 +68.5%
5y return+22.7%S&P 500 +74.5%
10y return+152.6%S&P 500 +256.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2016: $253 against $357 in the S&P 500.2

Group One Trading LLCS&P 500 (SPY)
$98$100$35720162026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
DRAMRoundhill Etf Trust$108.6M3.1%New
TSMTaiwan Semiconductor Manufac$92.3M2.7%+40.0%
MUMicron Technology Inc$84.2M2.4%−53.2%
URAGlobal X Fds$79.5M2.3%+3.9%
MRVLMarvell Technology Inc$55.7M1.6%+292.2%
UNHUnitedhealth Group Inc$52.9M1.5%+390.6%
KKRKkr & Co Inc$44.3M1.3%+44.2%
BKNGBooking Holdings Inc$34.2M1.0%New
URNMSprott Fds Tr$32.9M0.9%+8.1%
OSCROscar Health Inc$32.7M0.9%−8.7%
CIThe Cigna Group$25.2M0.7%+130.7%
FCELFuelcell Energy Inc$25.1M0.7%+1270.3%
MARMarriott Intl Inc New$23.7M0.7%−39.6%
CHTRCharter Communications Inc$23.3M0.7%+809.6%
PDDPdd Holdings Inc$23.1M0.7%+258.8%
DASHDoordash Inc$22.9M0.7%New
AGFirst Majestic Silver Corp$22.3M0.6%−32.1%
NVDANvidia Corporation$21.9M0.6%New
VSHVishay Intertechnology Inc$21.8M0.6%New
XLKSelect Sector Spdr Tr$21.3M0.6%New
COHRCoherent Corp$21.1M0.6%−29.2%
KWEBKraneshares Trust$21.0M0.6%+10.8%
PFEPfizer Inc$20.9M0.6%+46.6%
ACMRAcm Resh Inc$19.9M0.6%+71.8%
MSTRStrategy Inc$19.2M0.6%+734.3%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
LITELumentum Hldgs IncSeptember 30, 2024+1253.8%$19.2M
AAOIApplied Optoelectronics IncSeptember 30, 2023+1250.6%$16.4M
COHRCoherent CorpMarch 31, 2023+935.9%$21.1M
Golar Lng LtdCUSIP G9456A100June 30, 2020+588.4%$16.5M
NNNextnav IncSeptember 30, 2023+246.9%$18.4M
AGFirst Majestic Silver CorpMarch 31, 2023+135.2%$22.3M
OSCROscar Health IncDecember 31, 2024+112.2%$32.7M
URAGlobal X FdsDecember 31, 2024+63.2%$79.5M
TSMTaiwan Semiconductor ManufacDecember 31, 2025+57.2%$92.3M
PAASPan Amern Silver CorpJune 30, 2020+47.4%$16.5M

Sold off last quarter

  • CYTKCytokinetics Inc was $24.0M
  • CNCCentene Corp Del was $19.1M
  • FLGFlagstar Bank National Assoc was $18.3M
  • NEENextera Energy Inc was $13.8M
  • XBISpdr Series Trust was $11.5M
  • UALUnited Airls Hldgs Inc was $11.0M
  • BILIBilibili Inc was $10.3M
  • Seabridge Gold IncCUSIP 811916105 was $10.0M
  • APOApollo Global Mgmt Inc was $9.8M
  • CORNTeucrium Commodity Tr was $8.5M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+9.9%+14.8%
March 31, 2026−1.7%−4.6%
December 31, 2025−1.4%+2.4%
September 30, 2025+14.2%+7.8%
June 30, 2025+21.0%+10.5%
March 31, 2025−10.1%−4.6%
December 31, 2024+6.3%+2.1%
September 30, 2024+2.6%+5.4%
June 30, 2024+2.0%+4.0%
March 31, 2024+10.2%+10.0%
December 31, 2023+12.0%+11.2%
September 30, 2023−5.5%−3.6%
June 30, 2023+5.1%+8.3%
March 31, 2023+9.2%+7.0%
December 31, 2022+0.5%+7.1%
September 30, 2022−5.1%−5.3%
June 30, 2022−21.9%−16.5%
March 31, 2022−4.8%−4.9%
December 31, 2021−2.8%+10.7%
September 30, 2021−9.7%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 932540
  2. 2
    SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/932540/000093254026000011/
    Filed August 14, 2026 · accession 0000932540-26-000011